<template>
  <div>
    <h1>当前求和为：{{sum}}</h1>
    <h3>当前求和的10倍：{{bigSum}}</h3>
    <h4>学校名:{{school}},学校地址:{{address}}</h4>
    <select v-model.number="n">
      <option value="1">1</option>
      <option value="2">2</option>
      <option value="3">3</option>
    </select>
    <button @click="increment(n)">+</button>
    <button @click="decrement(n)">-</button>
    <button @click="incrementOdd(n)">和为奇数时加</button>
    <button @click="incrementWait(n)">过一段时间再加</button>
  </div>
</template>

<script>
import {mapState,mapGetters,mapMutations,mapActions} from "vuex"
export default {
  name:"Count",
  data(){
    return {
      n:1,
    }
  },
  computed:{
    // sum(){
    //   return this.$store.state.sum
    // }
    //mapState可以直接获得$store.state中的数据(对象写法)
    // ...mapState({sum:"sum",school:"school",address:"address"}),
    //mapState可以直接获得$store.state中的数据(数组写法)
    ...mapState(['sum','school','address']),
    
    //mapGetters可以直接获得$store.getters中的数据
    ...mapGetters({bigSum:"bigSum"})
  },
  methods:{
    // increment(){
    //   this.$store.commit('JIA',this.n);
    // },
    // decrement(){
    //   this.$store.commit('JIAN',this.n)
    // },
    //mapMutations可以生成对应的方法，该方法会去调用commit去练习mutations(会在方法中传递参数，即我们要操作的数n)
    ...mapMutations({increment:'JIA',decrement:'JIAN'}),

    // incrementOdd(){
    //   this.$store.dispatch('jiaOdd',this.n);
    // },
    // incrementWait(){
    //   this.$store.dispatch('jiaWait',this.n);
    // },

    // mapMutations可以生成对应的方法，该方法会去调用commit去练习mutations(会在方法中传递参数，即我们要操作的数n)
    ...mapActions({incrementOdd:"jiaOdd",incrementWait:'jiaWait'})
  },
  mounted(){
    console.log(this);
  }
}
</script>

<style>
  button{
    margin-left: 5px;
  }
</style>